PT3-H AVC3-U
49
Protection circuit Operation
Is D944
(
K
)
voltage
below 2.8V?
Check D933, D936, etc.
Or check AV PWB.
Yes
No
B.
Is D940
(
A
)
voltage
below 3.8V?
Check D934, I930, I931,
I933, etc.
Yes
No
Is D939
(
A
)
voltage
below 3.8V?
Check D935 etc.
Or check AV PWB.
Yes
No
Is D947
(
K
)
voltage
above 5.7V?
Check I931, D950, etc.
Yes
No
Is D948
(
K
)
voltage
above 6.6V?
Check I933, D949, etc.
Yes
No
Is D955
(
K
)
voltage
above 9.5V?
Check I930, D959, etc.
Yes
No
Check Q933 etc.
TROUBLESHOOTING FLOWCHARTS
(3 OF 4)
Содержание 50HDT50
Страница 34: ...34 PT3 H AVC3 U 4 7 WHITE BALANCE ADJUSTMENT OSD FLOW DIAGRAM BACK TO ADJUSTMENTS ...
Страница 83: ...PRINTED CIRCUIT BOARD AVC3 U Audio Video PWB 83 PT3 H AVC3 U TABLE OF CONTENTS ...
Страница 84: ...PRINTED CIRCUIT BOARD AVC3 U Audio Video PWB 84 PT3 H AVC3 U ...
Страница 85: ...PRINTED CIRCUIT BOARD AVC3 U Power PWB 85 PT3 H AVC3 U ...
Страница 86: ...PRINTED CIRCUIT BOARD AVC3 U Power PWB 86 PT3 H AVC3 U ...
Страница 87: ...PRINTED CIRCUIT BOARD AVC3 U Control SW Jig PWB 87 PT3 H AVC3 U PT3 H FILTER PWB ...
Страница 88: ...PT3 H AVC3 U PRINTED CIRCUIT BOARD PT3 H Signal Audio PWB 88 ...
Страница 89: ...PRINTED CIRCUIT BOARD PT3 H Signal Audio PWB 89 PT3 H AVC3 U ...
Страница 91: ...PT3 H AVC3 U BLOCK DIAGRAM FC4 Unit 91 BACK TO TABLE OF CONTENTS ...
Страница 97: ...PT3 H AVC3 U AVC3 U CHASSIS WIRING DRAWING 97 ...
Страница 98: ...98 PT3 H AVC3 U PT3 H CHASSIS WIRING DRAWING POWER UNIT X SUS FILTER INLET AUDIO VIDEO Y SUS ...